CLASS TABLE Russian patent published in 1998 - IPC

FIELD: furniture for secondary schools. SUBSTANCE: class table has table top mounted on base and adapted to carry educational aids, including drum mounted for rotation on brackets, guides for educational aid stencils mounted through columns on drum outer surface. Space between drum and guide surfaces is variable, for instance in the manner similar to Archimedes' spiral. Drum may be removably mounted in case it is supposed to be used as independent educational aid. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 4 dwg